Results 31 to 40 of about 1,089,345 (300)
Improving performance of direction-of-arrival estimation using sparse array in passive radar
Journal of Algorithms & Computational Technology, 2020 A method based on sparse array is applied to direction-of-arrival estimation of passive radar in this paper to increase the number of resolvable sources and improve the direction-of-arrival estimation performance for coprime array.
Geng Chen +3 more
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Total Least Squares Method for Direction of Arrival Estimation [PDF]
Jisuanji gongcheng, 2019 In the Time Difference of Arrival(TDOA) positioning technology,when the position coordinates of the sensor have errors,the estimated value obtained by the Least Squares(LS) method no longer has the best unbiasedness,resulting in a decrease in the ...
WANG Hai, ZHANG Menghan, CUI Xunxue
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Enhanced Direction of Arrival Estimation Using Non-Uniform Arrays [PDF]
The Egyptian International Journal of Engineering Sciences and TechnologyThis paper focuses on the application of non-uniform arrays (NUAs) to achieve high-level arrival direction estimation (DOAs) and to solve challenges such as target separation and a reduced snapshot. The proposed research includes a theoretical derivative
Azhar Hamdi +4 more
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High-Order Maximum Likelihood Methods for Direction of Arrival Estimation
IEEE Open Journal of Signal Processing, 2021 It is shown that using high-order statistics (higher than two) is beneficial in subspace-based Direction Of Arrival (DOA) estimation methods. Particularly, the high-order MUltiple SIgnal Classification (MUSIC) method, also known as $ 2q$-MUSIC method ...
Mohammadhossein Barat +2 more
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Two-dimensional direction-of-arrival estimation with time-modulated arrays [PDF]
, 2019 Two-dimensional direction-of-arrival estimation with time-modulated ...
Ben Clark (4514017)
core +1 more source
IEEE Access, 2018 To find the relative positional relationship accurately and efficiently without pre-installed infrastructure in emergent scenarios like firefighting, we proposed a rotating-anchor based indoor geolocation system using time of arrival (TOA) technique in ...
Liyuan Xu +5 more
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Quantum approach to direction of arrival estimation
Технологія та конструювання в електронній апаратуріThe article analyses methods for determining the direction of arrival (DOA) of radio signals, particularly the MUSIC and ESPRIT algorithms. It is shown that the complexity of traditional approaches grows cubically with the number of antennas, which ...
Oleksandr Usatyi, Ivan Horbatyi
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Angle of arrival estimation for broadband signals : a comparison
, 2013 This paper reviews and compares three different linear algebraic signal subspace techniques for angle of arrival estimation. These include a polynomial matrix approach to multiple signal classification (MUSIC), a parameterised spatial covariance matrix ...
Weiss, Stephan +9 more
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Regular sparse array direction of arrival estimation in one dimension [PDF]
, 2020 Traditionally regularly spaced antenna arrays follow the spatial Nyquist criterion to guarantee an unambiguous analysis. We present a novel technique that makes use of two sparse non-Nyquist regularly spaced antenna arrays, where one of the arrays is ...
de Villiers, Dirk I L +5 more
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A high-resolution DOA estimation method for deep-sea multipath coherent channels [PDF]
Zhihui kongzhi yu fangzhenAiming at the problem of error in deep-sea DOA(Direction of Arrival, DOA) estimation based on plane wave sound field model, this paper establishes the array signal model of deep-sea DOA estimation under multipath channel based on ray theory.
CAO Yongjie, MAO Weining
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